CN207563039U - High temperature circulation nitrogen protects crushing and classification production line - Google Patents
High temperature circulation nitrogen protects crushing and classification production line Download PDFInfo
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- CN207563039U CN207563039U CN201721137337.2U CN201721137337U CN207563039U CN 207563039 U CN207563039 U CN 207563039U CN 201721137337 U CN201721137337 U CN 201721137337U CN 207563039 U CN207563039 U CN 207563039U
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Abstract
The utility model provides high temperature circulation nitrogen protection crushing and classification production line, and such that the Granularity Distribution obtained after crushing is narrow, product particle surface is smooth; shape is regular, and activity is big, good dispersion; without pollutions such as metal, oxides, product purity is high, meets the needs of lithium ion battery material.It includes the feed bin for being packed into particle to be comminuted, the outlet of the feed bin connects the disintegrating area of the fluidized bed air flow crusher, the disintegrating area of the fluidized bed air flow crusher is connected to graded region, the corase particles for being unsatisfactory for Particle size requirements return disintegrating area is continued to crush by graded region, the fine particle for meeting Particle size requirements enters the entrance of deduster with air-flow, the material outlet connection finished product packaging facilities of the deduster, the non-material outlet in top of the deduster is connected to the entrance of first filter, the outlet of the first filter is connected to drier entrance, the outlet of the drier is connected to the air entry of the compressor.
Description
Technical field
The utility model is related to the technical field of crushing material production, specially high temperature circulation nitrogen protection crushing and classification lifes
Producing line.
Background technology
Lithium ion battery rechargeable battery with high power capacity, bigger than energy, have extended cycle life, and have a safety feature, and be mesh
It is preceding most to have development potentiality battery.Anode material of lithium battery includes LiFePO4, LiMn2O4, lithium carbonate, cobalt acid lithium, nickle cobalt lithium manganate
Ternary material etc., lithium cell cathode material include lithium titanate, graphite, Si-C composite material etc., and the common feature of these materials is
Grain size is small, narrow particle size distribution, particle surface shape is regular, water content is low, product purity is high, however existing crushing and classification produces
The raw material that line produces acquisition can not efficiently obtain above-mentioned material.
Invention content
In view of the above-mentioned problems, the utility model provides high temperature circulation nitrogen protection crushing and classification production line, cause powder
The Granularity Distribution obtained after broken is narrow, and product particle surface is smooth, and shape is regular, and activity is big, good dispersion, no metal, oxygen
The pollutions such as compound, product purity is high, meets the needs of lithium ion battery material.
High temperature circulation nitrogen protects crushing and classification production line, it is characterised in that：It includes the feed bin for being packed into particle to be comminuted,
The outlet of the feed bin connects the disintegrating area of the fluidized bed air flow crusher, and the disintegrating area of the fluidized bed air flow crusher connects
Graded region is connected to, the corase particles for being unsatisfactory for Particle size requirements return disintegrating area is continued to crush by graded region, meets the thin of Particle size requirements
Particle enters the entrance of deduster with air-flow, and the material outlet of the deduster connects finished product packaging facilities, the deduster
The non-material outlet in top is connected to the entrance of first filter, and the outlet of the first filter is connected to drier entrance, institute
The outlet for stating drier is connected to the air entry of the compressor, on the connecting line between the drier and the compressor
It is provided with and adds nitrogen inlet, the gas outlet of the compressor is connected to the entrance of the second filter, second filter
The entrance of outlet connection heater, the outlet of the heater access the nozzle entrance of the fluidized bed air flow crusher, material
Accelerate in the supersonic jet ejected in nozzle, and reach crushing in the repeated stock of injection stream intersection, collision, friction
Effect, crushing while material are by high temperature drying nitrogen wink-dry.
It is further characterized by：
The production line is suitable for crushing lithium battery material；
The recycling low-pressure nitrogen of the non-material outlet separation in top of the deduster, compressor is returned after filtered, dry
Air entry, and be mixed into compressor with adding nitrogen, high pressure nitrogen filters, heats laggard fluidized bed gas again after compression
Stream, which crushes machine nozzle, to be continued to crush, and the low-pressure nitrogen of system recycles；
The pressure for entering the high temperature drying nitrogen that disintegrating area crushes operation is 0.3MPa-0.9MPa, temperature 120
℃-200℃；
The product fineness d after the lithium battery positive and negative pole material crushing and classification that the production line is obtained50=0.3~10 μ
m；
Preferably, the smashing fineness d of crushing LiFePO 4 obtained by the production line97It is 5.0 μm, is used as
New type lithium ion battery electrode material improves battery security, promotes lithium ion battery enlargement, the application of high power；
Preferably, the smashing fineness d of crushing neodymium iron boron obtained by the production line97It it is 5.1 μm, with high
Magnetic energy product and high-energy density, be applied widely in instrument and meter and electronic technology；
Preferably, the smashing fineness d for crushing lithium titanate, graphite obtained by the production line97It is 5.5 μm, can uses
Make new type lithium ion battery negative electrode material；
Preferably, the smashing fineness d of the comminuting coke obtained by the production line505.0 μm of ＜ is lithium ion battery
Negative electrode material product opens a completely new material.
After the technology of the utility model, material dosing adds in the disintegrating area of fluidized bed air flow crusher, object in feed bin
Material accelerates in supersonic jet, and reaches crushing effect in the repeated stock of injection stream intersection, collision, friction, crushes same
When lithium battery material by high temperature drying nitrogen wink-dry, enter graded region with ascending air by the material for crushing dry,
The corase particles return disintegrating area that Particle size requirements are unsatisfactory for after classification continues to crush, and the fine particle for meeting Particle size requirements enters with air-flow
Deduster is collected, the recycling low-pressure nitrogen of deduster top separation, returns to compressor air suction mouth after filtered, dry, and with benefit
Nitrogen is added to be mixed into compressor, after compression high pressure nitrogen filter again, heat laggard fluidized bed air-flow crushing machine nozzle after
Continued powder is broken, and system low-voltage nitrogen circulation uses, and deduster lower product is collected into finished product packing machine, the system can meet safety,
Environmentally friendly, energy saving, clean manufacturing requirement；The water content 1000-8000ppm before anode material of lithium battery crushing, lithium battery anode material
The broken rear water content of feed powder is 500-1200ppm, its moisture content is low；It so that the Granularity Distribution obtained after crushing is narrow, product
Particle surface is smooth, and shape is regular, and activity is big, good dispersion, and the pollutions such as no metal, oxide, product purity is high, meet lithium from
The demand of sub- battery material.
Description of the drawings
Fig. 1 is the front view structure schematic diagram of the utility model；
Title in figure corresponding to serial number is as follows：
Feed bin 1, fluidized bed air flow crusher 2, deduster 3, finished product packing equipment 4, first filter 5, drier 6, pressure
Contracting machine 7 adds nitrogen inlet 8, the second filter 9, heater 10.
Specific embodiment
High temperature circulation nitrogen protects crushing and classification production line, sees Fig. 1：It includes the feed bin 1 for being packed into particle to be comminuted, feed bin
The disintegrating area of 1 outlet connection fluidized bed air flow crusher 2, the disintegrating area of fluidized bed air flow crusher 2 are connected to graded region,
The corase particles for being unsatisfactory for Particle size requirements return disintegrating area is continued to crush by graded region, meet the fine particles of Particle size requirements with air-flow into
Enter the entrance of deduster 3, the material outlet connection finished product packaging facilities 4 of deduster 3, the non-material outlet in top of deduster 3 connects
The entrance of first filter 5 is connected to, the outlet of first filter 5 is connected to 6 entrance of drier, and the outlet of drier 6 is connected to
The air entry of compressor 7 is provided on the connecting line between drier 6 and compressor 7 and adds nitrogen inlet 8, compressor 7
Gas outlet is connected to the entrance of the second filter 9, and the outlet of the second filter 9 connects the entrance of heater 10, heater 10
Outlet accesses the nozzle entrance of fluidized bed air flow crusher 2, accelerates in the supersonic jet that material is ejected in nozzle, and
Reach crushing effect, crushing while material by high temperature drying nitrogen moment in the repeated stock of injection stream intersection, collision, friction
It is dry.
The production line is suitable for crushing lithium battery material；
The recycling low-pressure nitrogen of the non-material outlet separation in top of deduster 3, compressor 7 is returned after filtered, dry
Air entry, and compressor 7 is mixed into adding nitrogen, high pressure nitrogen filters, heats laggard fluidized bed gas again after compression
The nozzle of stream pulverizer 2 continues to crush, and the low-pressure nitrogen of system recycles；
The pressure for entering the high temperature drying nitrogen that disintegrating area crushes operation is 0.3MPa-0.9MPa, temperature 120
℃-200℃；
The product fineness d after the lithium battery positive and negative pole material crushing and classification that production line is obtained50=0.3~10 μm.
After the production line of the utility model, generation has the beneficial effect that：
1 Granularity Distribution is narrow, and grain size can be in d50=0.3~10 μ ms are arbitrarily selected；
2 product particle surfaces are smooth, and shape is regular, and activity is big, good dispersion, and pollutions, the product such as no metal, oxide are pure
Degree is high；
3 crushing and classifications are carrying out in closed system, no dust effusion；Charging system is totally-enclosed uniform feeding device,
Charging rate changes with systemic concentration to be automatically adjusted；
4 use advanced automation control, and operating status real-time display realizes full-automatic control.
Specific embodiment one：The smashing fineness d of crushing LiFePO 4 obtained by production line97It is 5.0 μm, uses
Make new type lithium ion battery electrode material, improve battery security, promote lithium ion battery enlargement, the application of high power.
Specific embodiment two：The smashing fineness d of crushing neodymium iron boron obtained by production line97It it is 5.1 μm, with pole
High magnetic energy product and high-energy density, is applied widely in instrument and meter and electronic technology；
Specific embodiment three：The smashing fineness d for crushing lithium titanate, graphite obtained by production line97It is 5.5 μm, it can
As new type lithium ion battery negative electrode material；
Specific embodiment four：By the smashing fineness d for the comminuting coke that production line is obtained505.0 μm of ＜ is lithium-ion electric
Pond negative electrode material product opens a completely new material.
Specific embodiment of the utility model is described in detail above, but content is only what the utility model was created
Preferred embodiment, it is impossible to be construed as limiting the practical range of the utility model creation.All created according to the utility model is applied
All the changes and improvements that range is made etc. should all be still belonged within this patent covering scope.
Claims (2)
1. high temperature circulation nitrogen protects crushing and classification production line, it is characterised in that：It includes the feed bin for being packed into particle to be comminuted, institute
State the disintegrating area of the outlet connection fluidized bed air flow crusher of feed bin, the disintegrating area of the fluidized bed air flow crusher is connected to point
The corase particles for being unsatisfactory for Particle size requirements return disintegrating area is continued to crush by grade area, graded region, meet the fine particles of Particle size requirements with
Air-flow enters the entrance of deduster, and the material outlet of the deduster connects finished product packaging facilities, and the top of the deduster is non-
Material outlet is connected to the entrance of first filter, and the outlet of the first filter is connected to drier entrance, the drying
The outlet of device is connected to the air entry of compressor, is provided with and adds on the connecting line between the drier and the compressor
Nitrogen inlet, the gas outlet of the compressor are connected to the entrance of the second filter, and the outlet connection of second filter adds
The entrance of hot device, the outlet of the heater access the nozzle entrance of the fluidized bed air flow crusher.
2. high temperature circulation nitrogen as described in claim 1 protects crushing and classification production line, it is characterised in that：The production line is fitted
For crushing lithium battery material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721137337.2U CN207563039U (en) | 2017-09-06 | 2017-09-06 | High temperature circulation nitrogen protects crushing and classification production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721137337.2U CN207563039U (en) | 2017-09-06 | 2017-09-06 | High temperature circulation nitrogen protects crushing and classification production line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207563039U true CN207563039U (en) | 2018-07-03 |
Family
ID=62698293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721137337.2U Active CN207563039U (en) | 2017-09-06 | 2017-09-06 | High temperature circulation nitrogen protects crushing and classification production line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207563039U (en) |
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2017
- 2017-09-06 CN CN201721137337.2U patent/CN207563039U/en active Active
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